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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.math3.analysis.differentiation;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import org.apache.commons.math3.analysis.UnivariateFunction;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.apache.commons.math3.exception.MathIllegalArgumentException;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    /** Interface for univariate functions derivatives.<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;p&gt;This interface represents a simple function which computes<a name="line.23"></a>
<FONT color="green">024</FONT>     * both the value and the first derivative of a mathematical function.<a name="line.24"></a>
<FONT color="green">025</FONT>     * The derivative is computed with respect to the input variable.&lt;/p&gt;<a name="line.25"></a>
<FONT color="green">026</FONT>     * @see UnivariateDifferentiableFunction<a name="line.26"></a>
<FONT color="green">027</FONT>     * @see UnivariateFunctionDifferentiator<a name="line.27"></a>
<FONT color="green">028</FONT>     * @since 3.1<a name="line.28"></a>
<FONT color="green">029</FONT>     * @version $Id: UnivariateDifferentiableFunction.java 1416643 2012-12-03 19:37:14Z tn $<a name="line.29"></a>
<FONT color="green">030</FONT>     */<a name="line.30"></a>
<FONT color="green">031</FONT>    public interface UnivariateDifferentiableFunction extends UnivariateFunction {<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>        /** Simple mathematical function.<a name="line.33"></a>
<FONT color="green">034</FONT>         * &lt;p&gt;{@link UnivariateDifferentiableFunction} classes compute both the<a name="line.34"></a>
<FONT color="green">035</FONT>         * value and the first derivative of the function.&lt;/p&gt;<a name="line.35"></a>
<FONT color="green">036</FONT>         * @param t function input value<a name="line.36"></a>
<FONT color="green">037</FONT>         * @return function result<a name="line.37"></a>
<FONT color="green">038</FONT>         * @exception MathIllegalArgumentException if {@code t} does not<a name="line.38"></a>
<FONT color="green">039</FONT>         * fulfill functions constraints (argument out of bound, or unsupported<a name="line.39"></a>
<FONT color="green">040</FONT>         * derivative order for example)<a name="line.40"></a>
<FONT color="green">041</FONT>         */<a name="line.41"></a>
<FONT color="green">042</FONT>        DerivativeStructure value(DerivativeStructure t) throws MathIllegalArgumentException;<a name="line.42"></a>
<FONT color="green">043</FONT>    <a name="line.43"></a>
<FONT color="green">044</FONT>    }<a name="line.44"></a>




























































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